code: def _read_image(self, image_path):
      if "@" in image_path:
          at = str.find(image_path, "@")
          zip_file = image_path[:at]
          img_name = image_path[(at + 2) :]
          archive = zipfile.ZipFile(zip_file, "r")
          imgdata = archive.read(img_name)
          imgnp = np.array(bytearray(imgdata), dtype=np.uint8)
          img = cv2.imdecode(imgnp, 1)
      else:
          img = cv2.imread(image_path)
  
      return img
  
file_path: CNTK/Examples/Image/Detection/utils/od_reader.py
imports: import zipfile
  import cv2
  import numpy
  import os
  from utils.proposal_helpers import ProposalProvider, compute_targets, compute_image_stats
label_desc: Use image node_id 7 for calling the ObjectDetectionReader obj's underlying member method code with example usage: obj._read_image(image_path) and returns: img